On a recent business trip, I bought my daughter a toy microscope, and while playing with it (such toys are never exclusively for the kids, you know), I decided to look at the MacBook Air’s screen through it. While I always intellectually knew how red, green, and blue elements make up an individual pixel, I’d never actually seen these sub-pixels before. I managed to get a (crappy) picture of it (below).
As you can see, each individual pixel is made up of three tic-tac shaped sub-pixels arranged horizontally next to each other; one red, one green, and one blue. By varying the intensity of each sub-pixel, any color (that the system is capable of displaying) can be represented.
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